Top Quality 71989-14-5 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid Detail:
Product Detail
| Appearance | White crystalline powder |
| Specific rotation(a)D20 (C=2,H2O) | -11.0º to –12.0º |
| Melting Point (ºC) | 158.0ºC to 163.0 ºC |
| Chloride (Cl) | Not more than 0.02% |
| Ammonium(NH4) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.020% |
| Iron(Fe) | Not more than 10ppm |
| Heavy metal(Pb) | Not more than 10ppm |
| Arsenic(As2O3) | Not more than 1ppm |
| Loss on drying | Not more than 0.50% |
| Residue on ignition | Not more than 0.2% |
| Assay | 98.5 to 101.0% |
| Validity period | 2 years |
| Package | 25kg/ drum |
| Transportation | by sea or by air or by land |
Synonyms
hydroxy-pyridin-3-yl-acetic acid;
L-Pyroglutamicacid;
L-oxoproline;
L-Proline, 5-oxo-;
5-oxo-L-proline
Application
L-pyroglutamic acid has strong moisturizing function and strong penetration in skin. As a highly nutritious and easily absorbed additive, it can regulate the skin and act as a moisturizer.
L-pyroglutamic acid also inhibits the activity of tyrosine oxidase, so as to prevent the deposition of “melanoid” substances in the skin and whiten the skin. It can soften cutin and can be used in nail cosmetics.
L-pyroglutamic acid can also form derivatives with other organic compounds. It has special effects in surface activity, transparency and brightness. It can also be used as surfactant for detergent; Chemical reagent for the resolution of racemic amine; Organic intermediates;Medical intermediates, body supplements.
Superiority
1. We usually have ton level in stock, and we can delivery the material quickly after we receive the order.
2. High quality & competitive price could be provided.
3.Quality analysis report (COA) of the shipment batch would be provided before the shipment.
4. Supplier questionnaire and technical documents could be provided if request after meeting a certain amount.
5. Great after-sales service or guarantee : Any of your question would be solved as soon as possible.
6. Export competitive products and export them abroad in large quantities every year.
Product detail pictures:
Related Product Guide:
Our personnel are always inside the spirit of "continuous improvement and excellence", and together with the outstanding excellent goods, favorable price and good after-sales services, we try to gain every customer's trust for Top Quality 71989-14-5 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid , The product will supply to all over the world, such as: Argentina, Botswana, Zambia, Custom orders are acceptable with different quality grade and customer's especial design. We are looking forward to establish the good and successful cooperation in business with long terms from the customers of all over the world.
By Amber from Macedonia - 2017.08.18 18:38
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Naomi from Greece - 2017.03.28 12:22
